Here, you should need an account and authorization of an electronic signature to proceed with the Vietnam e-visa applying process. Once you get it, you need to follow these steps.
Step 1: Filling the Form
Sign in the provided account and fill the needed information accurately. Double-check the details before you submit the application.
Step 2: File Attaching Process
Upload your photo and the image passport data page. Then, you will get a registration code.
Step 3: Signing the Application
Then have to sign the application via electronic signature
Step 4: Making Vietnam E-visa Payment
Finally, you have to make a payment for E-visa
Step 5: Checking the Result
You can check the result by login to your account. If approved, you have to send the registration code to make a print out of E-visa and enter/exit Vietnam.
https://www.vietnamimmigration.org/how-to-make-e-visa-application-for-vietnam/
